Tool for testing the current in electric wires.



no. 840,715 I PATENTBDJANB, 1907.

A. SGHEIBLBR. I I TOOL FOR TESTING THE CURRENT IN ELECTRIC WIRES.

APPLICATION FILED 001'. 3.1906.

. Q w Y K 7, l

' bars 3 are fixed to the free ends of these plugs 4.

' ing material, porcelain, and the like, provided UNITED PATENT OFFICE,-

ALFRED SCHEIBLER, OF AABAU, SWITZERLAND.

, TOOL FOR TESTING THE CURRENTJIN .ELE CTR IC WIRES- Specification of Letters Patent.

Patented Jan. 8, 1967.

Application filed October 3, 1906. Serial No. 337,296.

To all whom it may concern: I

Be it known that I, ALFRED SCI-IEIBLER, a ,l citizen of the Republic of Swii zerland, and a resident of Aarau, Switzerland, have invented a new and useful Tool for Testing the (Jurrent in Electric Wires, of which the following I insidewith two longitudinal bores 2, which are closed at one end y metal plugs 4. Metal 5 represents the wires to be examined.

Leading from the metal plugs, 4 through each bore are the metal rods 6, which are fastened to spring-plates 7 outside the handle 1. These plates 7 are screwed to an isolatingpiece 8, screwed to the handle 1 by screws 9. An easily-fusible piece of lead 10 is placed between the spring-plates 7 14 is a metal 'uard. Referring to the construction in Figs. 4 and the spring-plates 7 and 7 are so she. ed

that, according to'Fig. 4, a. fuse-link wit a thin lead-wire" can. be inserted between the concave projection 11 and, according to-Figi' 5, between the convex recess 12.

When the tool is to be used, the bars 3 are placed on the wires to be tested, the fuses burning in the event of'a strong current passing through the wires.

llaving fully described my invention andin what manner the same is to be performed, I declare that what claim isv A tool for testing electrical wires, com rising in combination the isolating-han e 1 "Wit-l1 rodsfi therein, connected atone end to spring-plates carrying fuses 7 and having at the other end rojections 3 adapted to be placed. on the e ectric wires, substantially as gesgfibed and shown and for th ort purpose set- In testimony whereof I have hereunto set my hand in the presence of two subscribing witnesses- ALI RED SCHEIBLER Witnesses:

CARL J UBLE, VITAL FANK. 

